446449289216 has 72 divisors (see below), whose sum is σ = 1038424588110. Its totient is φ = 191335366656.

The previous prime is 446449289207. The next prime is 446449289267. The reversal of 446449289216 is 612982944644.

It can be written as a sum of positive squares in only one way, i.e., 351032550400 + 95416738816 = 592480^2 + 308896^2 .

It is a super-2 number, since 2×446449289216² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2124065 + ... + 2324768.

Almost surely, 2^446449289216 is an apocalyptic number.

It is an amenable number.

446449289216 is an abundant number, since it is smaller than the sum of its proper divisors (591975298894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

446449289216 is an equidigital number, since it uses as much as digits as its factorization.

446449289216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4448869 (or 4448842 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 59.

The spelling of 446449289216 in words is "four hundred forty-six billion, four hundred forty-nine million, two hundred eighty-nine thousand, two hundred sixteen".